extremely
very・really
it can’t be helped
Structure
- Verb [ て ] + しょうがない
- いAdj[ くて ] + しょうがない
- なAdj[で] + しょうがない
[Originally 仕様しようが無ない, しょうがない has been more widely adopted due to it being easier to pronounce in speech]
[仕方しかたが無ない is slightly more polite and more often found in literature]